treewide: add some missing meta: descriptions and homepages (#70497)

pkgs/applications/version-management/gitlab/gitaly/default.nix

@@ -53,7 +53,8 @@ in buildGoPackage rec {
   outputs = [ "bin" "out" "ruby" ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.gitlab.com/;
+    homepage = https://gitlab.com/gitlab-org/gitaly;
+    description = "A Git RPC service for handling all the git calls made by GitLab";
     platforms = platforms.unix;
     maintainers = with maintainers; [ roblabla globin fpletz ];
     license = licenses.mit;

pkgs/tools/misc/getopt/default.nix

@@ -17,5 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     platforms = stdenv.lib.platforms.unix;
+    homepage = http://frodo.looijaard.name/project/getopt;
+    description = "Parses command-line arguments from shell scripts";
   };
 }

pkgs/tools/networking/eggdrop/default.nix

@@ -32,5 +32,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     license = licenses.gpl2;
     platforms = platforms.unix;
+    homepage = http://www.eggheads.org;
+    description = "An Internet Relay Chat (IRC) bot";
   };
 }

pkgs/tools/networking/weighttp/default.nix

@@ -14,5 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     platforms = stdenv.lib.platforms.unix;
+    homepage = https://redmine.lighttpd.net/projects/weighttp/wiki;
+    description = "A lightweight and simple webserver benchmarking tool";
   };
 }

pkgs/tools/system/which/default.nix

@@ -10,6 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = https://www.gnu.org/software/which/;
+    description = "Shows the full path of (shell) commands";
     platforms = platforms.all;
     license = licenses.gpl3;
   };